APA način citiranja

Rojas Alvarado, A. (2017). A new species and three hybrids in the ferns from Cocos Island, Puntarenas, Costa Rica.

Čikaški stil citiranja

Rojas Alvarado, Alexander. A New Species and Three Hybrids in the Ferns From Cocos Island, Puntarenas, Costa Rica. 2017.

MLA način citiranja

Rojas Alvarado, Alexander. A New Species and Three Hybrids in the Ferns From Cocos Island, Puntarenas, Costa Rica. 2017.

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